Route Price Intelligence
Cheap Flights From Philadelphia to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$183
Deals From
$179
Usually Costs
$179 – $239
Lowest We've Seen
$179
Based on 8,360 price pointshigh confidence
Monthly Price Guide
Jan
$224
Feb
$194
Mar
$187
Apr
$221
May
$179
Jun
$179
Jul
$179
Aug
$186
Sep
$179
Oct
$179
Nov
$179
Dec
$179
Cheapest Average Expensive
Best Time to Fly from Philadelphia to Washington Dc - Dulles
The cheapest time to fly from Philadelphia to Washington Dc - Dulles is typically October, when fares average around $179. The most expensive month tends to be January at around $224. For the best deals, consider flying in October, November, December.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $17959 price checksWorst: $199